<!DOCTYPE html>
<html lang = "en" xmlns:th = "http://www.thymeleaf.org">
<head>
    <meta charset = "UTF-8">
    <title>Title</title>
</head>
<body>
<a th:href = "@{/User/add}"> 添 加</a> || <a th:href = "@{/User/update}">更 新</a>

</body>
</html>